Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Change in age-adjusted death rates for COPD and other leading causes of death in the USA from 1965 to1998. Reprinted from Pauwels RA, Rabe KF. 2004. Burden and clinical features of chronic obstructive pulmonary disease (COPD). Lancet, 364:613–20. Copyright © 2004 with permission from Elsevier.
